plumage variation in Whiskered Auklets

Whiskered Auklet, chick (c. one week old), June, Buldir Island, Alaska (ILJ)

Whiskered Auklet, juvenile (fledgling), July, Buldir Island, Alaska (ILJ)

Whiskered Auklet, juvenile (fledgling), July, Buldir Island, Alaska (ILJ)

Whiskered Auklet, first summer, June, Buldir Island, Alaska (ILJ)

Whiskered Auklet, probably first summer, June, Buldir Island, Alaska (ILJ)

Whiskered Auklet, probably second summer, June, Buldir Island, Alaska (ILJ)

Whiskered Auklet, adult summer, June, Buldir Island, Alaska (ILJ)

Crested Auklet, first summer, June, Buldir Island, Alaska (ILJ)